WO2006090705A1 - 粘着剤組成物および粘着フィルムならびに光学フィルタ - Google Patents
粘着剤組成物および粘着フィルムならびに光学フィルタ Download PDFInfo
- Publication number
- WO2006090705A1 WO2006090705A1 PCT/JP2006/303077 JP2006303077W WO2006090705A1 WO 2006090705 A1 WO2006090705 A1 WO 2006090705A1 JP 2006303077 W JP2006303077 W JP 2006303077W WO 2006090705 A1 WO2006090705 A1 WO 2006090705A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensitive adhesive
- pressure
- group
- adhesive composition
- film
- Prior art date
Links
- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 107
- 230000003287 optical effect Effects 0.000 title claims abstract description 71
- 239000000203 mixture Substances 0.000 title claims abstract description 61
- 239000010410 layer Substances 0.000 claims abstract description 33
- 150000004662 dithiols Chemical class 0.000 claims abstract description 26
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 21
- 239000012790 adhesive layer Substances 0.000 claims abstract description 16
- 239000000975 dye Substances 0.000 claims description 37
- 239000001007 phthalocyanine dye Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 17
- 230000001070 adhesive effect Effects 0.000 claims description 17
- 239000002313 adhesive film Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- -1 dithiol copper complex Chemical class 0.000 claims description 14
- 125000004429 atom Chemical group 0.000 claims description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 125000005843 halogen group Chemical group 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- 125000003277 amino group Chemical group 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 125000004434 sulfur atom Chemical group 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 125000003545 alkoxy group Chemical group 0.000 claims description 3
- 125000003282 alkyl amino group Chemical group 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 3
- 230000009477 glass transition Effects 0.000 claims description 3
- 125000005647 linker group Chemical group 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 3
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 2
- 239000011347 resin Substances 0.000 abstract description 13
- 229920005989 resin Polymers 0.000 abstract description 13
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 abstract description 9
- 239000003086 colorant Substances 0.000 abstract 4
- 239000010408 film Substances 0.000 description 88
- 239000011521 glass Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 239000000049 pigment Substances 0.000 description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 13
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 13
- 239000004611 light stabiliser Substances 0.000 description 12
- 239000003522 acrylic cement Substances 0.000 description 10
- 238000012360 testing method Methods 0.000 description 8
- 238000002834 transmittance Methods 0.000 description 8
- 238000000576 coating method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000178 monomer Substances 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- 230000001476 alcoholic effect Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 238000012937 correction Methods 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- 150000002430 hydrocarbons Chemical group 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 239000012788 optical film Substances 0.000 description 4
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- 101100226146 Drosophila mojavensis Est-5 gene Proteins 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 125000005907 alkyl ester group Chemical group 0.000 description 3
- 239000003431 cross linking reagent Substances 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- LBMHORBMFQRKAC-UHFFFAOYSA-N copper;tetrabutylazanium Chemical compound [Cu+2].CCCC[N+](CCCC)(CCCC)CCCC LBMHORBMFQRKAC-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- QGKMIGUHVLGJBR-UHFFFAOYSA-M (4z)-1-(3-methylbutyl)-4-[[1-(3-methylbutyl)quinolin-1-ium-4-yl]methylidene]quinoline;iodide Chemical compound [I-].C12=CC=CC=C2N(CCC(C)C)C=CC1=CC1=CC=[N+](CCC(C)C)C2=CC=CC=C12 QGKMIGUHVLGJBR-UHFFFAOYSA-M 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 description 1
- OELQSSWXRGADDE-UHFFFAOYSA-N 2-methylprop-2-eneperoxoic acid Chemical compound CC(=C)C(=O)OO OELQSSWXRGADDE-UHFFFAOYSA-N 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 101000585348 Rattus norvegicus Estrogen sulfotransferase, isoform 3 Proteins 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000000746 allylic group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- LDHQCZJRKDOVOX-NSCUHMNNSA-N crotonic acid Chemical compound C\C=C\C(O)=O LDHQCZJRKDOVOX-NSCUHMNNSA-N 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- YFUYVQWZEJRMBK-UHFFFAOYSA-N nickel(2+);tetrabutylazanium Chemical compound [Ni+2].CCCC[N+](CCCC)(CCCC)CCCC YFUYVQWZEJRMBK-UHFFFAOYSA-N 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000007761 roller coating Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000003678 scratch resistant effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000003573 thiols Chemical class 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B47/00—Porphines; Azaporphines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0091—Complexes with metal-heteroatom-bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2211/00—Plasma display panels with alternate current induction of the discharge, e.g. AC-PDPs
- H01J2211/20—Constructional details
- H01J2211/34—Vessels, containers or parts thereof, e.g. substrates
- H01J2211/44—Optical arrangements or shielding arrangements, e.g. filters or lenses
- H01J2211/446—Electromagnetic shielding means; Antistatic means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2329/00—Electron emission display panels, e.g. field emission display panels
- H01J2329/86—Vessels
- H01J2329/89—Optical components structurally combined with the vessel
- H01J2329/892—Anti-reflection, anti-glare, viewing angle and contrast improving means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
Definitions
- Adhesive composition, adhesive film and optical filter are Adhesive composition, adhesive film and optical filter
- the present invention relates to a pressure-sensitive adhesive composition and an adhesive film having near-infrared absorbing ability to absorb near-infrared rays.
- the present invention also relates to an optical filter installed on the viewing side of a display device such as a plasma display panel (hereinafter referred to as PDP).
- PDP plasma display panel
- Near-infrared rays are radiated simultaneously with visible light. Near-infrared rays may cause malfunctions in near-infrared remote controls and other communication devices for home appliances such as home TVs, coolers, and video decks. For this reason, an optical filter having a near-infrared absorbing film is installed on the front surface (viewing side) of the PDP so that the transmittance of near-infrared light of 850 to 1100 nm is, for example, 20% or less.
- Examples of the near-infrared absorbing film include those having a near-infrared absorbing pigment in the resin film.
- Various near-infrared-absorbing dyes used in near-infrared-absorbing films include, for example, phthalocyanine-based, dimonium-based, polymethine-based, metal complex-based, squalium-based, cyanine-based, and indoor dilin-based pigments. .
- an optical film having the above-mentioned near-infrared absorbing film and an antireflection film and / or an electromagnetic wave shielding film is conventionally used as an adhesive on a transparent substrate such as a glass plate. It was stuck through the layers. Since the optical filter in this case has a large number of layers and many manufacturing processes, simplification is required.
- an adhesive composition containing an adhesive and a near-infrared absorbing dye as the adhesive constituting the adhesive layer (see, for example, Patent Document 1).
- an optical film in which a pressure-sensitive adhesive layer having near-infrared absorbing ability is formed on an antireflection film or an electromagnetic wave shielding film can be obtained.
- an optical filter can be obtained by sticking the optical film to the transparent substrate with the adhesive layer. Therefore, by forming an adhesive layer from an adhesive composition imparted with near-infrared absorbing ability, a resin having a near-infrared absorbing dye is used to constitute an optical filter for PDP. It is not necessary to have a fat film, and it is simplified.
- Patent Document 1 Japanese Patent Laid-Open No. 2001-207142
- a pressure-sensitive adhesive composition containing a dye such as a near-infrared absorbing dye has low durability such as heat resistance, moisture resistance, and light resistance.
- the existing optical filter had a problem of low durability. Therefore, a resin film having a near-infrared absorbing pigment is omitted, and an optical filter having excellent durability has not been realized.
- the present invention has been made in view of the above circumstances, and an object thereof is to provide a pressure-sensitive adhesive composition having high durability despite containing a pigment. It is another object of the present invention to provide a pressure-sensitive adhesive film for obtaining an optical filter having a near-infrared-absorbing dye and having an excellent durability. It is another object of the present invention to provide an optical filter that omits a resin film having a near-infrared absorbing dye and has excellent durability.
- the present invention has the following gist.
- a pressure-sensitive adhesive composition comprising a phthalocyanine-based dye, a dithiol complex, and an allylic pressure-sensitive adhesive having an acid value of 10 mgKOH / g or less.
- ⁇ to 6 are each independently a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a hydroxysulfonyl group, an aminosulfonyl group or a hydrocarbon group having 1 to 20 carbon atoms (however, the hydrocarbon group is a nitrogen atom) And may contain one or more atoms selected from the group consisting of a sulfur atom, an oxygen atom and a halogen atom.), And two adjacent substituents may be linked via a linking group.
- M 2 represents a divalent metal atom, a trivalent substituted metal atom, a tetravalent metal atom or an oxy metal.
- ⁇ ⁇ R 4U is independently hydrogen atom, halogen atom, amino group, nitro group, cyano group, alkyl group having 1-20 carbon atoms, alkoxy group having 1-20 carbon atoms, carbon number:! -20 Represents an aryl group, an aralkyl group having 1 to 20 carbon atoms, or an alkylamino group having 1 to 20 carbon atoms, and M 3 represents copper, nickel oleore, platinum or palladium.
- a pressure-sensitive adhesive film in which a pressure-sensitive adhesive layer comprising the pressure-sensitive adhesive composition according to any one of (1) to (8) is formed on a film.
- An optical filter in which one or more films are attached to a substrate, and any one of the above (1) to (8) is provided between the finalem and the substrate or between a plurality of films.
- An optical filter having a pressure-sensitive adhesive layer comprising the pressure-sensitive adhesive composition according to claim 1.
- the pressure-sensitive adhesive composition of the present invention has high durability despite containing a pigment.
- an optical filter excellent in durability can be obtained in which a resin film having a near-infrared absorbing pigment is omitted.
- a resin film having a near infrared absorbing dye is omitted.
- it has excellent durability.
- the pressure-sensitive adhesive composition of the present invention when used as a pressure-sensitive adhesive for laminating the functional film, it has a near infrared absorbing dye.
- the optical filter can be provided with a near infrared absorption function. That is, the number of stacked layers can be reduced as compared with a conventional optical filter having near-infrared absorption capability, so that the manufacturing process of the optical filter can be further simplified and the manufacturing cost can be reduced.
- the pressure-sensitive adhesive composition of the present invention contains a phthalocyanine dye, a dithiol complex, and an attalinole pressure-sensitive adhesive.
- the phthalocyanine dye is not particularly limited as long as it is a compound having a phthalocyanine skeleton (see the following chemical formula (1)).
- a near-infrared absorbing dye having a maximum absorption wavelength at 800 to: lOOnm is preferable since the near-infrared absorptivity of the pressure-sensitive adhesive composition is high.
- phthalocyanine dyes having a maximum absorption wavelength at lOOnm include, for example, Nippon Shokubai Co., Ltd., trade name “IETAS Color IR-12”, trade name “IETAS Color IR-14”, trade name “TX—EX— 906B "and trade name” TX___910 "").
- a compound represented by the formula (2) is preferable.
- ⁇ to 6 are each independently a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a hydroxysulfonyl group, an aminosulfonyl group or a hydrocarbon group having 1 to 20 carbon atoms (however, the hydrocarbon group is a nitrogen atom) And may contain one or more atoms selected from the group consisting of a sulfur atom, an oxygen atom and a halogen atom.), And two adjacent substituents may be linked via a linking group.
- M 2 represents a divalent metal atom, a trivalent substituted metal atom, a tetravalent metal atom or an oxy metal.
- the phthalocyanine dye in the present invention is a dye having excellent durability and a sufficient near-infrared absorbing function even in the pressure-sensitive adhesive composition.
- the content of the phthalocyanine pigment is preferably from 0.3 to 20 parts by mass, more preferably from 0.3 to 10 parts by mass, with respect to 100 parts by mass of the acrylic pressure-sensitive adhesive. If the content of the phthalocyanine dye is 0.1 parts by mass or more, the function of the dye can be sufficiently exerted, and by setting the content to 20 parts by mass or less, the durability of the pressure-sensitive adhesive composition can be further increased. Can do.
- the content of the phthalocyanine dye may be appropriately determined in consideration of the near infrared absorption ability desired for the optical filter to be obtained, the extinction coefficient of the phthalocyanine dye to be used, and the like. [0013] [Dithiol complex]
- a dithiol complex is a compound in which dithiol is coordinated to a metal atom via a sulfur atom constituting a thiol group.
- a compound represented by the formula (3) is preferable.
- M3 is more preferably copper, which is preferably copper or nickel.
- dithiol complex a commercial product manufactured by Sumitomo Seika Co., Ltd., trade name “EST-3” (dithiol copper complex, bis (4-piberidylsulfonyl-1,2-benzenedithiolate—S, S,) copper-tetra-n-butylammonium), trade name “EST-5” (dithiol copper complex, bis (4-morpholinosulfonyl mono-1,2-dithiophenolate) copper monotetra-n— Butylammonium), trade name “EST-5Ni” (dithiol nickel complex, bis (4-morpholinosulfonyl-1,1,2-dithiophenolate) nickel-tetra-n-butylammonium), and the like.
- dithiol complexes a dithiol copper complex is preferable because of higher durability.
- a light stabilizer has excellent stability in the pressure-sensitive adhesive itself and the function as a light stabilizer, that is, an effect of improving the durability of the dye contained in the composition. Almost everything that can be satisfied at the same time.
- the dithiol complex of the present invention is excellent in stability of the dithiol complex itself in the pressure-sensitive adhesive composition and has a quencher effect on the phthalocyanine dye, which is a dye contained in the composition, that is, a phthalocyanine dye. Excellent in improving light stability.
- the content of the dithiol complex is preferably 0.001 to 10 parts by mass with respect to 100 parts by mass of the acrylic pressure-sensitive adhesive, and more preferably 0.01 to 2 parts by mass. If the content of the dithiol complex is 0.001 part by mass or more, the durability can be reliably ensured, and if it is 10 parts by mass or less, other physical properties as an optical filter can be ensured. .
- the acrylic pressure-sensitive adhesive is a polymer containing an acrylic monomer unit as a main component.
- the acrylic monomers include (meth) acrylic acid, itaconic acid, (anhydrous) maleic acid, (anhydrous) fumaric acid, crotonic acid, and alkyl esters thereof.
- (meth) acrylic acid is used as a general term for acrylic acid and methacrylic acid. The same applies to (meta) acrylate.
- (meth) acrylic acid or its alkyl ester is preferred as the main component.
- alkyl esters of (meth) acrylic acid include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n-butyl (meth) acrylate, and n-pentyl (meth) acrylate.
- a monomer having a functional group for example, a hydroxy group, a glycidinole group, etc.
- a monomer having an functional group that can serve as a crosslinking point include hydroxyethyl acrylate, hydroxymethacrylate, glycidyl acrylate, glycidyl methacrylate.
- a crosslinking agent when using the monomer which has such a crosslinking point, it is preferable to add a crosslinking agent. The cohesive force can be ensured by reacting a crosslinking agent with a crosslinking point to crosslink the polymer.
- Crosslinkers include melamine resin, urea resin, epoxy resin, metal Examples include oxides, metal salts, metal hydroxides, metal chelates, polyisocyanates, carboxy group-containing polymers, acid anhydrides, polyamines, and the like, which are appropriately selected according to the type of functional group that can be a crosslinking point. .
- the acrylic pressure-sensitive adhesive has an acid value of 10 mgKOH / g or less.
- the acid value may be Omg KOHZg.
- the acid value is more preferably 0 to 7 mgKOH / g, and further preferably 0 to 5 mgKOH / g.
- Durability can be increased when the acid value of the acrylic adhesive is 10 mgKOH / g or less.
- the oxalic acid value is a value obtained by titration of alcoholic potassium hydroxide (KOH) using phenolphthalein as an indicator.
- the copolymerization amount of acrylic acid is adjusted so that the acid value falls within the above range when the acrylic monomer is overlapped. do it.
- Acrylic adhesives with an acid value of 10 mgK 10H / g or less are commercially available, and can be selected and used as appropriate.
- the glass transition point (Tg) of the acrylic pressure-sensitive adhesive in the present invention is preferably 60 ° C to 40 ° C, and more preferably 1 ° C to 10 ° C.
- the pressure-sensitive adhesive composition may contain an organic solvent.
- Organic solvents include aromatics such as toluene and xylene; amides such as N-methyl-2-pyrrolidone, dimethylformamide and dimethylacetamide; ketones such as methyl ethyl ketone, methyl isobutyl ketone and acetone; methanole, ethanol I, alcohols such as propyl alcohol; hydrocarbons such as hexane; and tetrahydrofuran. These organic solvents may be used singly or may be appropriately mixed as necessary.
- a color correction dye In the pressure-sensitive adhesive composition of the present invention, a color correction dye, a leveling agent, an antistatic agent, a heat stabilizer, an antioxidant, a dispersing agent having a maximum absorption wavelength in the range of 300 to 800 nm, if necessary. It contains flame retardants, lubricants, plasticizers, ultraviolet absorbers, near infrared absorbing pigments other than phthalocyanine pigments, etc.
- the above-mentioned pressure-sensitive adhesive composition contains a phthalocyanine-based dye as a dye and di-acid as a stabilizer. High durability because it contains a thiol complex and an acrylic adhesive with an acid value of lOmgKOH / g or less. That is, with the above-described configuration, in the pressure-sensitive adhesive composition having a low Tg, it is possible to obtain a pressure-sensitive adhesive composition that simultaneously satisfies the excellent near-infrared absorption effect and the excellent durability of the dye.
- a pressure-sensitive adhesive layer comprising the above-mentioned pressure-sensitive adhesive composition is formed on the film.
- the film in the present invention is not particularly limited in material, thickness, etc. as long as it is film-like or plate-like.
- Examples of the force and film include a peelable film having a peelability, a support film, and a film having other functions (hereinafter, functional film).
- the functional film examples include an ultraviolet absorbing film for improving light resistance by preventing deterioration of a pigment due to ultraviolet rays, and a color correction film for absorbing light in a specific wavelength region other than ultraviolet rays.
- the specific wavelength absorbed by the color correction film may be one that absorbs a plurality of specific wavelength regions that may include near-infrared light that is visible light alone.
- an antireflection film for improving image visibility an electromagnetic wave shielding film for cutting off electromagnetic waves emitted from a display device such as a PDP, a hard coat layer that provides a scratch-resistant function, or a self coating layer. Examples include a layer having restorability, an antifouling layer for preventing contamination on the outermost surface, and an adhesive or adhesive layer for laminating each layer.
- the material of the film is not limited, it is preferably a resin film from the viewpoint of ease of handling when the film is handled during the production of an adhesive film.
- strong resin films include: polyesters such as polyethylene terephthalate (PET) and polybutylene terephthalate (PBT); polyolefins such as polyethylene and polypropylene; polyacrylates such as polymethylmethacrylate (PMMA); polycarbonate (PC) s; Polystyrenes; Triacetate; Polybulal alcohol; Polychlorinated butyls; Polyvinylidene chloride; Ethylene-vinyl acetate copolymer; Polybutylbutyral; Polyurethanes; Cellophane, etc. A film is mentioned.
- the film may be a single layer or two or more layers.
- the pressure-sensitive adhesive layer can be formed by, for example, applying a pressure-sensitive adhesive composition on a film and drying it.
- a coating method for the pressure-sensitive adhesive composition include dip coating, spray coating, spinner coating, bead coating, wire bar coating, blade coating, roller coating, curtain coating,
- a coating method such as a slit die coater method, a gravure coater method, a slit reverse coater method, a micro gravure method, or a comma coater method can be employed.
- the thickness of the pressure-sensitive adhesive layer is preferably 0.3 to 50.Oxm, and more preferably 0.5 to 30.Ozm. By setting it to 0.3 zm or more, it is possible to sufficiently exert near-infrared absorption ability, and by setting it to 50 ⁇ m or less, it is possible to reduce residual organic solvent during molding.
- the pressure-sensitive adhesive layer is provided on the film, it is preferable from the viewpoint of workability that a release film is stuck on the pressure-sensitive adhesive layer because the pressure-sensitive adhesive layer can be protected until use.
- the release film the same film as the above-described peelable film can be used.
- the filter of the present invention has one or more films attached to a substrate, and has a pressure-sensitive adhesive layer made of the pressure-sensitive adhesive composition described above at least either between the film and the substrate or between a plurality of films. It is.
- the substrate examples include a transparent substrate made of glass, a transparent, high-rigidity polymer material, or the like.
- a transparent substrate made of glass, tempered or semi-tempered glass, polycarbonate, polyacrylate, or the like is used.
- An optical filter with an adhesive film attached to a transparent substrate functions as a protective plate for PDP and other display devices.
- the method for producing the optical filter is not particularly limited.
- An optical filter having a pressure-sensitive adhesive layer made of a pressure-sensitive adhesive composition is prepared, for example, by preparing a pressure-sensitive adhesive film having a pressure-sensitive adhesive layer formed on a peelable film and sticking the pressure-sensitive adhesive layer of the pressure-sensitive adhesive film to a substrate. . Then, it can obtain by peeling a peelable film from the adhesive layer of the said adhesive film, sticking a functional film on the exposed adhesive layer, and also bonding another functional film as needed.
- an adhesive film having an adhesive layer formed on a functional film is prepared, and the adhesive layer of the adhesive film is attached to a substrate. And if necessary, an optical filter can be obtained by bonding other functional films.
- the optical filter having the pressure-sensitive adhesive layer made of the pressure-sensitive adhesive composition between a plurality of films for example, firstly bonds a functional film to a substrate, and then consists of the pressure-sensitive adhesive composition on a peelable film.
- a pressure-sensitive adhesive film is prepared by forming a pressure-sensitive adhesive layer, and the pressure-sensitive adhesive layer of the pressure-sensitive adhesive film is adhered onto the functional film. Subsequently, it can obtain by peeling a peelable film from the adhesive layer of the said adhesive film, and sticking another functional film on the exposed adhesive layer.
- a functional film is bonded to a substrate, and then an adhesive film in which an adhesive layer made of the above-mentioned adhesive composition is formed on the other functional film is prepared.
- An optical filter can be obtained by sticking the pressure-sensitive adhesive layer of the pressure-sensitive adhesive film on the functional film.
- the optical filter of the present invention includes a flat display device such as a PDP, a plasma addressed liquid crystal (PALC) display panel, a field emission display (FED) panel, and a display device such as a cathode ray tube display (CRT). It can be used as an optical filter.
- a flat display device such as a PDP, a plasma addressed liquid crystal (PALC) display panel, a field emission display (FED) panel, and a display device such as a cathode ray tube display (CRT). It can be used as an optical filter.
- the optical filter can be installed away from the display device if it is installed on the viewing side of the display device, or it can be attached directly to the surface of the display device.
- the pressure-sensitive adhesive layer is colored with a pigment, but since the optical filter is generally arranged on the viewing side of a display device such as a PDP, an achromatic color is preferred.
- Examples of a method for setting the chromaticity coordinates of the optical filter to the above values include, for example, appropriately selecting the type and content of the phthalocyanine dye to be contained in the pressure-sensitive adhesive and the color correction dye, and depending on the chromaticity.
- substrate is mentioned.
- the luminous average transmittance of the optical filter is preferably 25% or more, more preferably 45% or more.
- the method for setting the average luminous transmittance of the optical filter to 45% or more include, for example, a method of selecting a highly transparent film as a film, the type and content of a phthalocyanine dye contained in an adhesive, For example, a method for appropriately selecting a color correction dye.
- the luminous average transmittance of the optical film is preferably 80% or less, more preferably 90% or less. Most preferably, it is 100% or less.
- the optical filter described above has a pressure-sensitive adhesive layer having near-infrared absorbing ability, and therefore, the resin film having a near-infrared absorbing pigment can be omitted and simplified.
- the pressure-sensitive adhesive layer has a dye, the dye is less deteriorated and has excellent durability, and therefore, this optical filter also has excellent durability.
- the acid value of the acrylic adhesive was measured as follows based on JIS K 3504.
- the sample was thoroughly mixed and mixed, and then about 2 g was precisely weighed with a balance.
- titration was performed with 0.02 mol / L alcoholic KOH, and the point where the pale red color lasted for 15 seconds was set as the end point. Further, as a blank test, the above operation was performed only with a mixed solvent without adding a sample.
- V Amount of alcoholic KOH added in this test (ml)
- V Addition amount of alcoholic KH in blank test (ml)
- Phthalocyanine dye (manufactured by Nippon Shokubai Co., Ltd., trade name "Ietasukara IR - 1 2"). 0 048 2g, phthalocyanine dye (manufactured by Nippon Shokubai Co., Ltd., trade name "Ietasukara IR- 14") 0.
- phthalocyanine dyes (Product name “TX_EX_ 906B” manufactured by Nippon Shokubai Co., Ltd.) 0.0240 g, phthalocyanine dye (product name “TX_EX_ 910B” manufactured by Nippon Shokubai Co., Ltd.) 0.192 g Dithiol complex-based light stabilizer (manufactured by Sumitomo Seika Co., Ltd., trade name “EST-5”) 0.0016 g was dissolved in 7.7 g of methyl ethyl ketone.
- acrylic adhesive (trade name “NCK101” manufactured by Toyo Ink Co., Ltd., acid value; OmgK OH / g, Tg: ⁇ 20 ° C.) 42.3 g and a crosslinking agent (manufactured by Nippon Polyurethane Co., Ltd., trade name “ Coronate HL ”) 0.5 g was dissolved to prepare an adhesive composition.
- This adhesive composition is applied to an anti-reflection film (made by Asahi Glass Co., Ltd.
- URP2199 was coated on the dried coating to a thickness of 25 ⁇ to obtain an adhesive film.
- This adhesive film was bonded to glass as a substrate with a rubber roller to obtain an optical filter.
- Table 1 shows the acrylic adhesive, NIR absorbing dye, and dithiol complex used in each example.
- An optical filter was obtained in the same manner as in Example 1 except that the light stabilizer was changed to Sumitomo Seika's trade name “EST_3”.
- a colored film (Nippon Kayaku Co., Ltd., trade name “Cassette Violet A-Rj”) was added in the same manner as in Example 1 except that 0.02 g was added. (Mesh width: 12 ⁇ m, mesh pitch: 250 ⁇ m, mesh thickness: 12 ⁇ m) laminated on 100 / im thickness of polyethylene terephthalate film via adhesive (Dai Nippon Printing) The surface on which the mesh is not laminated is bonded to glass through an adhesive layer, and the adhesive layer of the adhesive film is bonded to the mesh side surface of the copper foil mesh film, followed by autoclaving. (60 ° C, 5 atm, 30 minutes) to obtain an optical filter.
- An optical filter was obtained in the same manner as in Example 1 except that the NIR absorbing dye was changed to 0.02 g of a phthalocyanine dye (manufactured by Nippon Shokubai Co., Ltd., trade name “IETAS Color IR-12”).
- Acrylic adhesive (trade name “EXK04-488”, manufactured by Toyo Ink Co., Ltd., acid value: 6.2 mgKOH / g, Tg; -51 ° C) 53.2 Optics in the same manner as in Example 4 except that it was changed to 2g. Got a filter
- Example 6 Acrylic adhesive (manufactured by Soken Chemical Co., Ltd., trade name “SK Dyne 1501B”, acid value: 7.8 mg KO H / g, Tg; -52 ° C) Same as Example 4 except that it was changed to 62.6 g An optical filter was obtained.
- An optical filter was obtained in the same manner as in Example 4 except that the light stabilizer was changed to Sumitomo Seika's trade name “EST_5Ni”.
- Acrylic pressure-sensitive adhesive manufactured by Soken Chemicals, trade name “SK Dyne 2094”, acid value: 27.2 mg KO H / g, Tg: ⁇ 40 ° C.
- An optical filter was obtained.
- An optical filter was obtained in the same manner as in Example 1 except that the light stabilizer was changed to a hindered amine light stabilizer (trade name “ADK STAB LA — 52” manufactured by Asahi Denka Co., Ltd.).
- An optical filter was obtained in the same manner as in Example 1 except that the light stabilizer was changed to an ultraviolet absorber (trade name “ADK STAB LA-31” manufactured by Asahi Denka Co., Ltd.).
- An optical filter was obtained in the same manner as in Example 1 except that no light stabilizer was added.
- the NIR absorbing dye was changed to 0.02 g of dimonium dye (made by Nippon Kayaku Co., Ltd., trade name “IRG—022”), and dithiol Ni complex dye (made by Sumitomo Seika Co., Ltd.) as a light stabilizer.
- An optical filter was obtained in the same manner as in Example 11 except that 0.02 g of trade name “EST-5Ni” was used.
- Tv and Tn of the optical filter before being put into the constant temperature and humidity tester are measured by the method of (1) above, and the difference between Tv and Tv ( ⁇ ) and the difference between Tn and Tn ( ⁇ )
- ⁇ was used as an index of moisture resistance.
- optical filters of Examples 1 to 7 having a pressure-sensitive adhesive layer made of a pressure-sensitive adhesive composition containing a phthalocyanine-based dye, a dithiol complex, and an acrylic adhesive having an acid value of 10 mgKH / g or less are heat resistant. It was excellent in both moisture resistance and light resistance.
- optical filter of Example 8 in which the acid value of the acrylic pressure-sensitive adhesive in the pressure-sensitive adhesive composition exceeded 10 mg KOH / g had low heat resistance, moisture resistance, and light resistance.
- optical filters of Examples 9 to 11 which did not contain a dithiol complex as the light stabilizer were particularly low in light resistance.
- the optical filter of Example 12 which did not contain a phthalocyanine dye as the NIR absorbing dye and used only a dye other than the phthalocyanine dye, had low heat resistance, moisture resistance, and light resistance.
- the pressure-sensitive adhesive composition of the present invention has high durability despite containing a pigment. Therefore, a resin film having a near-infrared absorbing pigment can be omitted, and an adhesive film for obtaining an optical filter having excellent durability can be provided.
- the optical filter of the present invention can be widely used in display devices such as a plasma display panel.
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Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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KR1020077018757A KR101274796B1 (ko) | 2005-02-22 | 2006-02-21 | 점착제 조성물 및 점착 필름 그리고 광학 필터 |
EP20060714217 EP1852483B1 (en) | 2005-02-22 | 2006-02-21 | Adhesive composition, adhesive film, and optical filter |
CN2006800055135A CN101124287B (zh) | 2005-02-22 | 2006-02-21 | 粘合剂组合物、粘合薄膜及光学滤波器 |
JP2007504728A JP5040645B2 (ja) | 2005-02-22 | 2006-02-21 | 粘着剤組成物および粘着フィルムならびに光学フィルタ |
DE200660004313 DE602006004313D1 (de) | 2005-02-22 | 2006-02-21 | Haftklebemasse, haftklebefilm sowie optisches filter |
CA 2598642 CA2598642A1 (en) | 2005-02-22 | 2006-02-21 | Adhesive composition, adhesive film and optical filter |
US11/842,501 US20080026238A1 (en) | 2005-02-22 | 2007-08-21 | Adhesive composition, adhesive film and optical filter |
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JP2005045247 | 2005-02-22 |
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US11/842,501 Continuation US20080026238A1 (en) | 2005-02-22 | 2007-08-21 | Adhesive composition, adhesive film and optical filter |
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PCT/JP2006/303077 WO2006090705A1 (ja) | 2005-02-22 | 2006-02-21 | 粘着剤組成物および粘着フィルムならびに光学フィルタ |
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US (1) | US20080026238A1 (ja) |
EP (1) | EP1852483B1 (ja) |
JP (1) | JP5040645B2 (ja) |
KR (1) | KR101274796B1 (ja) |
CN (1) | CN101124287B (ja) |
AT (1) | ATE417906T1 (ja) |
CA (1) | CA2598642A1 (ja) |
DE (1) | DE602006004313D1 (ja) |
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JP2006257223A (ja) * | 2005-03-16 | 2006-09-28 | Lintec Corp | 粘着剤組成物 |
JP2007246879A (ja) * | 2006-02-17 | 2007-09-27 | Lintec Corp | 電磁波遮蔽フィルムと光学機能性フィルムとの貼合用粘着剤、及び前記粘着剤を含むディスプレイパネルフィルター要素 |
WO2008038794A1 (fr) * | 2006-09-29 | 2008-04-03 | Dai Nippon Printing Co., Ltd. | Composition adhésive sensible à la pression pour filtre optique, filtre optique et dispositif d'affichage |
JP2008101198A (ja) * | 2006-09-22 | 2008-05-01 | Sumitomo Seika Chem Co Ltd | 光吸収色素組成物 |
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JP2008540692A (ja) * | 2005-05-10 | 2008-11-20 | 株式会社日本触媒 | 近赤外吸収剤を含有する粘着剤組成物 |
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- 2006-02-21 CA CA 2598642 patent/CA2598642A1/en not_active Abandoned
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Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006257223A (ja) * | 2005-03-16 | 2006-09-28 | Lintec Corp | 粘着剤組成物 |
JP2008540692A (ja) * | 2005-05-10 | 2008-11-20 | 株式会社日本触媒 | 近赤外吸収剤を含有する粘着剤組成物 |
JP2007246879A (ja) * | 2006-02-17 | 2007-09-27 | Lintec Corp | 電磁波遮蔽フィルムと光学機能性フィルムとの貼合用粘着剤、及び前記粘着剤を含むディスプレイパネルフィルター要素 |
JP2008101198A (ja) * | 2006-09-22 | 2008-05-01 | Sumitomo Seika Chem Co Ltd | 光吸収色素組成物 |
WO2008038794A1 (fr) * | 2006-09-29 | 2008-04-03 | Dai Nippon Printing Co., Ltd. | Composition adhésive sensible à la pression pour filtre optique, filtre optique et dispositif d'affichage |
JP5267122B2 (ja) * | 2006-09-29 | 2013-08-21 | 大日本印刷株式会社 | 光学フィルタ用粘着剤組成物、光学フィルタ、及び表示装置 |
JP2009538459A (ja) * | 2007-02-08 | 2009-11-05 | エルジー・ケム・リミテッド | 近赤外線吸収用pdpフィルタ |
JP2008268535A (ja) * | 2007-04-20 | 2008-11-06 | Nippon Kayaku Co Ltd | 近赤外線吸収フィルム及びこれを用いたプラズマディスプレイパネル用光学フィルタ |
JP2008298886A (ja) * | 2007-05-29 | 2008-12-11 | Dainippon Printing Co Ltd | 光学フィルタ用粘着剤組成物、光学フィルタ機能を有する粘着剤層、及び複合フィルタ |
KR100892121B1 (ko) | 2007-07-24 | 2009-04-09 | 엘지전자 주식회사 | 필터 및 그를 이용한 플라즈마 디스플레이 장치 |
JP2009035615A (ja) * | 2007-07-31 | 2009-02-19 | Dainippon Printing Co Ltd | 粘着剤組成物、該粘着剤組成物を用いたプラズマディスプレイ用シート状複合フィルタ、及びプラズマディスプレイパネル表示装置 |
WO2009048082A1 (ja) * | 2007-10-12 | 2009-04-16 | Asahi Glass Company, Limited | プラズマディスプレイ用光学フィルタ |
JP2009249602A (ja) * | 2008-04-10 | 2009-10-29 | Gunze Ltd | 赤外線吸収性粘着剤組成物、粘着フィルム、プラズマディスプレイパネル用光学フィルム及び多層光学フィルム |
WO2009125869A1 (ja) * | 2008-04-11 | 2009-10-15 | 株式会社ブリヂストン | 近赤外線遮蔽体、及びこれを用いたディスプレイ用光学フィルタ |
JP2010159373A (ja) * | 2009-01-09 | 2010-07-22 | Nof Corp | 近赤外線吸収性粘着剤及び近赤外線遮蔽フィルム |
JP2015118296A (ja) * | 2013-12-19 | 2015-06-25 | 山本化成株式会社 | フタロシアニン化合物を含有して成るフィルタ |
JP2016186608A (ja) * | 2015-03-27 | 2016-10-27 | 東洋インキScホールディングス株式会社 | 構造色を呈する着色膜の製造方法 |
JP2020037657A (ja) * | 2018-09-05 | 2020-03-12 | 王子ホールディングス株式会社 | 光学部材貼合用粘着シート及び積層体の製造方法 |
JP2020037658A (ja) * | 2018-09-05 | 2020-03-12 | 王子ホールディングス株式会社 | 光学部材貼合用粘着シート |
Also Published As
Publication number | Publication date |
---|---|
CA2598642A1 (en) | 2006-08-31 |
KR101274796B1 (ko) | 2013-06-13 |
EP1852483B1 (en) | 2008-12-17 |
JP5040645B2 (ja) | 2012-10-03 |
TW200702411A (en) | 2007-01-16 |
CN101124287A (zh) | 2008-02-13 |
CN101124287B (zh) | 2011-01-05 |
ATE417906T1 (de) | 2009-01-15 |
DE602006004313D1 (de) | 2009-01-29 |
US20080026238A1 (en) | 2008-01-31 |
EP1852483A1 (en) | 2007-11-07 |
KR20070106003A (ko) | 2007-10-31 |
EP1852483A4 (en) | 2008-03-26 |
JPWO2006090705A1 (ja) | 2008-07-24 |
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